Home / 147,303.08-220,783.20-84,167.43

Finding the Fourth Proportional to 147,303.08, 220,783.20 and 84,167.43

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Solution

The fourth proportional to 147,303.08, 220,783.20 and 84,167.43 is: 126,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,303.08 : 220,783.20 = 84,167.43 : x
  2. Step 2: Convert to fraction form
    147,303.08/220,783.20 = 84,167.43/x
  3. Step 3: Cross multiply
    147,303.08x = 220,783.20 × 84,167.43
  4. Step 4: Simplify right side
    147,303.08x = 18,582,753,427.26
  5. Step 5: Solve for x
    x = 18,582,753,427.26/147,303.08
  6. Step 6: Final answer
    x = 126,153.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.